<?php

    /**
     * PHPExcel_Writer_Excel2007_DocProps
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Writer_Excel2007
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Writer_Excel2007_DocProps extends PHPExcel_Writer_Excel2007_WriterPart {
        /**
         * Write docProps/app.xml to XML format
         * @param     PHPExcel $pPHPExcel
         * @return     string         XML Output
         * @throws     PHPExcel_Writer_Exception
         */
        public function writeDocPropsApp(PHPExcel $pPHPExcel = null) {
            // Create XML writer
            $objWriter = null;
            if ($this->getParentWriter()->getUseDiskCaching()) {
                $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
            } else {
                $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
            }
            // XML header
            $objWriter->startDocument('1.0', 'UTF-8', 'yes');
            // Properties
            $objWriter->startElement('Properties');
            $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/officeDocument/2006/extended-properties');
            $objWriter->writeAttribute('xmlns:vt', 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');
            // Application
            $objWriter->writeElement('Application', 'Microsoft Excel');
            // DocSecurity
            $objWriter->writeElement('DocSecurity', '0');
            // ScaleCrop
            $objWriter->writeElement('ScaleCrop', 'false');
            // HeadingPairs
            $objWriter->startElement('HeadingPairs');
            // Vector
            $objWriter->startElement('vt:vector');
            $objWriter->writeAttribute('size', '2');
            $objWriter->writeAttribute('baseType', 'variant');
            // Variant
            $objWriter->startElement('vt:variant');
            $objWriter->writeElement('vt:lpstr', 'Worksheets');
            $objWriter->endElement();
            // Variant
            $objWriter->startElement('vt:variant');
            $objWriter->writeElement('vt:i4', $pPHPExcel->getSheetCount());
            $objWriter->endElement();
            $objWriter->endElement();
            $objWriter->endElement();
            // TitlesOfParts
            $objWriter->startElement('TitlesOfParts');
            // Vector
            $objWriter->startElement('vt:vector');
            $objWriter->writeAttribute('size', $pPHPExcel->getSheetCount());
            $objWriter->writeAttribute('baseType', 'lpstr');
            $sheetCount = $pPHPExcel->getSheetCount();
            for ($i = 0; $i < $sheetCount; ++$i) {
                $objWriter->writeElement('vt:lpstr', $pPHPExcel->getSheet($i)->getTitle());
            }
            $objWriter->endElement();
            $objWriter->endElement();
            // Company
            $objWriter->writeElement('Company', $pPHPExcel->getProperties()->getCompany());
            // Company
            $objWriter->writeElement('Manager', $pPHPExcel->getProperties()->getManager());
            // LinksUpToDate
            $objWriter->writeElement('LinksUpToDate', 'false');
            // SharedDoc
            $objWriter->writeElement('SharedDoc', 'false');
            // HyperlinksChanged
            $objWriter->writeElement('HyperlinksChanged', 'false');
            // AppVersion
            $objWriter->writeElement('AppVersion', '12.0000');
            $objWriter->endElement();
            // Return
            return $objWriter->getData();
        }

        /**
         * Write docProps/core.xml to XML format
         * @param     PHPExcel $pPHPExcel
         * @return     string         XML Output
         * @throws     PHPExcel_Writer_Exception
         */
        public function writeDocPropsCore(PHPExcel $pPHPExcel = null) {
            // Create XML writer
            $objWriter = null;
            if ($this->getParentWriter()->getUseDiskCaching()) {
                $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
            } else {
                $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
            }
            // XML header
            $objWriter->startDocument('1.0', 'UTF-8', 'yes');
            // cp:coreProperties
            $objWriter->startElement('cp:coreProperties');
            $objWriter->writeAttribute('xmlns:cp', 'http://schemas.openxmlformats.org/package/2006/metadata/core-properties');
            $objWriter->writeAttribute('xmlns:dc', 'http://purl.org/dc/elements/1.1/');
            $objWriter->writeAttribute('xmlns:dcterms', 'http://purl.org/dc/terms/');
            $objWriter->writeAttribute('xmlns:dcmitype', 'http://purl.org/dc/dcmitype/');
            $objWriter->writeAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
            // dc:creator
            $objWriter->writeElement('dc:creator', $pPHPExcel->getProperties()->getCreator());
            // cp:lastModifiedBy
            $objWriter->writeElement('cp:lastModifiedBy', $pPHPExcel->getProperties()->getLastModifiedBy());
            // dcterms:created
            $objWriter->startElement('dcterms:created');
            $objWriter->writeAttribute('xsi:type', 'dcterms:W3CDTF');
            $objWriter->writeRawData(date(DATE_W3C, $pPHPExcel->getProperties()->getCreated()));
            $objWriter->endElement();
            // dcterms:modified
            $objWriter->startElement('dcterms:modified');
            $objWriter->writeAttribute('xsi:type', 'dcterms:W3CDTF');
            $objWriter->writeRawData(date(DATE_W3C, $pPHPExcel->getProperties()->getModified()));
            $objWriter->endElement();
            // dc:title
            $objWriter->writeElement('dc:title', $pPHPExcel->getProperties()->getTitle());
            // dc:description
            $objWriter->writeElement('dc:description', $pPHPExcel->getProperties()->getDescription());
            // dc:subject
            $objWriter->writeElement('dc:subject', $pPHPExcel->getProperties()->getSubject());
            // cp:keywords
            $objWriter->writeElement('cp:keywords', $pPHPExcel->getProperties()->getKeywords());
            // cp:category
            $objWriter->writeElement('cp:category', $pPHPExcel->getProperties()->getCategory());
            $objWriter->endElement();
            // Return
            return $objWriter->getData();
        }

        /**
         * Write docProps/custom.xml to XML format
         * @param     PHPExcel $pPHPExcel
         * @return     string         XML Output
         * @throws     PHPExcel_Writer_Exception
         */
        public function writeDocPropsCustom(PHPExcel $pPHPExcel = null) {
            $customPropertyList = $pPHPExcel->getProperties()->getCustomProperties();
            if (empty($customPropertyList)) {
                return;
            }
            // Create XML writer
            $objWriter = null;
            if ($this->getParentWriter()->getUseDiskCaching()) {
                $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
            } else {
                $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
            }
            // XML header
            $objWriter->startDocument('1.0', 'UTF-8', 'yes');
            // cp:coreProperties
            $objWriter->startElement('Properties');
            $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/officeDocument/2006/custom-properties');
            $objWriter->writeAttribute('xmlns:vt', 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');
            foreach ($customPropertyList as $key => $customProperty) {
                $propertyValue = $pPHPExcel->getProperties()->getCustomPropertyValue($customProperty);
                $propertyType  = $pPHPExcel->getProperties()->getCustomPropertyType($customProperty);
                $objWriter->startElement('property');
                $objWriter->writeAttribute('fmtid', '{D5CDD505-2E9C-101B-9397-08002B2CF9AE}');
                $objWriter->writeAttribute('pid', $key + 2);
                $objWriter->writeAttribute('name', $customProperty);
                switch ($propertyType) {
                    case 'i':
                        $objWriter->writeElement('vt:i4', $propertyValue);
                        break;
                    case 'f':
                        $objWriter->writeElement('vt:r8', $propertyValue);
                        break;
                    case 'b':
                        $objWriter->writeElement('vt:bool', ($propertyValue) ? 'true' : 'false');
                        break;
                    case 'd':
                        $objWriter->startElement('vt:filetime');
                        $objWriter->writeRawData(date(DATE_W3C, $propertyValue));
                        $objWriter->endElement();
                        break;
                    default:
                        $objWriter->writeElement('vt:lpwstr', $propertyValue);
                        break;
                }
                $objWriter->endElement();
            }
            $objWriter->endElement();
            return $objWriter->getData();
        }
    }
